Text and Data Mining valid from 2020-01-14
Received: 8 May 2019
Accepted: 8 January 2020
First Online: 14 January 2020
Compliance with ethical standards
: This study was conducted according to the International Conference of Harmonization (ICH) Good Clinical Practice (GCP) guidelines and the Declaration of Helsinki. This study was approved by the independent Ethics Committee (IEC)/Institutional Review Board (IRB) of Mae Fah Luang University on August 1, 2016, and registered with ClinicalTrials.gov (identification number: NCT03054480).
: The authors declare that they have no conflict of interest.